EP1737680A2 - Stamping cylinder - Google Patents

Stamping cylinder

Info

Publication number
EP1737680A2
EP1737680A2 EP05718428A EP05718428A EP1737680A2 EP 1737680 A2 EP1737680 A2 EP 1737680A2 EP 05718428 A EP05718428 A EP 05718428A EP 05718428 A EP05718428 A EP 05718428A EP 1737680 A2 EP1737680 A2 EP 1737680A2
Authority
EP
European Patent Office
Prior art keywords
cylinder
stamping
stamps
pit
medium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05718428A
Other languages
German (de)
French (fr)
Other versions
EP1737680B1 (en
Inventor
Johann Emil Eitel
Matthias Gygi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KBA Notasys SA
Original Assignee
KBA Giori SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KBA Giori SA filed Critical KBA Giori SA
Priority to EP05718428A priority Critical patent/EP1737680B1/en
Publication of EP1737680A2 publication Critical patent/EP1737680A2/en
Application granted granted Critical
Publication of EP1737680B1 publication Critical patent/EP1737680B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/0004—Machines or apparatus for embossing decorations or marks, e.g. embossing coins characterised by the movement of the embossing tool(s), or the movement of the work, during the embossing operation
    • B44B5/0009—Rotating embossing tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/0076—Machines or apparatus for embossing decorations or marks, e.g. embossing coins having a series of embossing tools each of which can be brought into working position
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1712—Indefinite or running length work
    • Y10T156/1737—Discontinuous, spaced area, and/or patterned pressing

Definitions

  • the present invention concerns a stamping cylinder for planar substrates, such as sheets of paper which carry printed matter.
  • the foil is carried as a continuous lamination between a carrier substrate and a layer of hot melt adhesive, the shape or pattern to be applied being determined by a stamp or press.
  • the carrier substrate and the substrate are placed together beneath a platen-type press carrying an array of stamps which are simultaneously applied to cause an array of hot foil imprints to be applied to the substrate.
  • Heat for activating the hot melt adhesive is generally applied from the press.
  • the printing apparatus for applying foil to a substrate comprises means for conveying a carrier for the foil together with an adhesive which is activated by heat in a printing position, means for conveying substrate towards said printing position, printing means at which the carrier and substrate are moved together past said printing position at which pressure is applied to transfer a predetermined pattern or shape of foil from the carrier to the substrate, and pre-heating means for transferring heat to the carrier before it reaches the printing position and/or before it contacts the substrate.
  • the pre-heating means is effective to transfer heat to the carrier immediately upstream of the printing position.
  • the pre-heating means may be located to be effective as close as possible to said nip.
  • the printing means comprises means for applying both pressure and heat at said printing position.
  • the printing means may comprise a print cylinder carrying one or more stamps defining said predetermined pattern and/or shape, the cylinder carrying heating means in the vicinity of said stamp or stamps.
  • US patent 6,263,790 discloses a machine for security printing on security paper on which security elements carried by a foil are applied to the security prints by a cylinder comprising heated stamps.
  • the tape is mounted between two reels arranged in a sector of the applicator cylinder and the tape passes along a generatrix of said applicator cylinder, perpendicularly to the path of the paper, under the action of a servomotor acting intermittently at each application step.
  • publication GB 2 255 317 discloses a foil deposition machine which transfers the foils from a carrier onto a surface to be decorated.
  • foil transfer is conventionally carried out as a flat-bed process, with a die being mounted on a flat bed and the surface to which the decorative layer is to be applied (i.e. print material) being mounted on the surface of an impression cylinder.
  • the flat bed with the die moves backwards and forwards relative to the impression cylinder, along a path which is tangential relative to the cylinder.
  • a band of foil is supported above the die.
  • the foil is pressed by the die (which has been heated to a suitable temperature) against the print material on the cylinder, and the decorative layer is transferred to the print material .
  • the print material is usually paper or card, but may be of plastics or other materials.
  • the release agent allows the carrier layer to be released from the decorative layer.
  • a foil blocking die mounted on a substrate, which substrate is adapted to be secured around the circumference of a cylinder.
  • the use of a die which can be mounted on a cylinder surface for operation, but can be dismounted from the cylinder surface has the particular advantage that the higher operating speeds possible with rotary equipment, as compared to reciprocating equipment, can be obtained.
  • a problem with the design of GB 2 255 317 is the presence of a non-continuous surface of the plate carrying the stamps forming an opening, which produces vibrations in the machine when the pressure cylinder passes the opening of the plate. Such vibrations then are the cause of improper application of foil or misregistration of printing.
  • a solution to overcome this problem is to mount the cylinders on laterally displaceable axis, for example with excentrical bearings, to relive the pressure when passing such openings but this design is complicated and expensive.
  • a further aim of the invention is to provide a stamping machine with a stamping cylinder that is easy to operate.
  • a further aim of the present invention is to provide a stamping cylinder that allows retrofitting into existing machines .
  • Figure 1 shows a perspective view of a first embodiment of the stamping cylinder
  • Figure 2 shows a perspective view of a second embodiment of the stamping cylinder
  • FIG 3 shows a perspective view of the pit of the cylinder.
  • a first embodiment of the stamping cylinder according to the present invention is shown.
  • the cylinder 1 carries a stamping plate 2 according to the invention.
  • the stamping plate 2 comprises several parallel tracks 3 to 8 on which the stamps 9 are formed.
  • On both sides of the stamps 9 of a track (3 to 8) there are support borders 10 running along the length of the plate 2, which have approximately the same height than the stamps 9 and which are used to precisely adjust the position of a pressure cylinder (not shown) with respect to the stamps 9, said pressure cylinder being used to press the substrate against the foil during the stamping operation, as is known per se in the art.
  • each track 3 to 8 of stamps 9 there is for each track 3 to 8 of stamps 9 a pair of supporting pieces 12, 13 which prevent the pressure cylinder to fall into the pit 11 when passing said pit 11.
  • Said supporting pieces are made preferably of metal and provide a continuous surface of the support borders 10 over the pit 11 thus guiding and maintaining the position of the pressure cylinder over the pit in a smooth manner.
  • Each supporting piece 12, 13 is fixed in the cylinder pit 11 by a screw 14 or other equivalent means and comprise a plurality of holes 15 for vacuum (air under depression) .
  • the vacuum is brought in the cylinder pit 11 and the supporting pieces 12, 13 are mounted and fixed to a support part 16 connected to the vacuum supply and preferably held in the cylinder pit 11 by means of a screw.
  • a front alignment stop 17 is mounted in an adjustable manner, and the stop 17 passes through the supporting pieces 12, 13, to provide an alignment reference for the sheet to be embossed which is maintained against the pieces 12, 13 by the vacuum.
  • stamping plate of figure 1 is replaced by several stamping strips 18, each trip having a track 3' to 8' with support borders 10'.
  • Other elements which are similar to the embodiment of figure 1 are referenced in identical manner.
  • Each strip 3' to 8 ' is mated with a pair of supporting pieces 12, 13 to allow a smooth passage of the pressure cylinder over the pit 11 of the stamping cylinder 1.
  • each supporting piece 12, 13 comprises holes 15 for vacuum, is held on the cylinder through a screw 14 and a support part 16 connected to a vacuum supply and fixed in the pit 11 by a screw.
  • the supporting pieces 12, 13 are traversed by an alignment stop 17 for aligning the sheet being embossed.
  • FIG. 3 shows in a more detailed manner an example of a pit 11 of a cylinder 1 on which a stamping plate 2 is mounted without the supporting pieces 12, 13.
  • a stamping plate 2 On the left side of the pit 11, one end of the plate 2 is cut to form notches with extensions 24 and cutouts 25. The end of the extensions 24 are bent and are clamped in the pit 11 by clamping means, such as screws 26 and clamp bar 27.
  • the other end of the plate 1 is shaped in the same manner (extensions 28 and cutouts 29) and is clamped with clamping means, i.e. screws 30 and second clamp bar 31 which is also displaceable such as to pull the plate 2 on the cylinder under stress .
  • the vacuum supply for the holes 15 of the supporting pieces 12, 13 is indicated by reference 32.
  • the principle shown for mounting the stamping plate on a cylinder can be also used in the case of stamping strips 18 as in the second embodiment of figure 2.
  • the heating of the stamps can be made in conventional manner known in the art, for example, as known from GB 2 255 317 or US 6,263,790, enclosed by reference in the present application to this effect.
  • the heating is made by heating the entire cylinder 1, either by a liquid such a water or oil which passes in a circuit in the cylinder 1, or in a variant by electrical heat resistances known per se in the art .
  • the number of plates per cylinder or of successive strips can be chosen depending on the circumstances or the format of the sheets to be printed.
  • the cylinder comprises three pits equally spaced around the circumference of the cylinder, all pits being similar to the pit 11 described here above.
  • the cylinder comprises intermediate stamps (referenced 33 in the figures) . Theses intermediate stamps are placed in the cylinder pits 11 for each row of stamps 9 and they are used to maintain the pressure between the paper sheets being embossed and the foil and avoid misregistration or relative movement between the sheets being embossed and the foil .
  • the advantage of using a plate according to the first embodiment of the invention is to facilitate the mounting of the plate.
  • the advantage of using strips as in the second embodiment is the fact that the strips can be individually adjusted, for example laterally.
  • a further advantage of the stamping medium according to the present invention with respect to the design known from US 6,062,134 is the fact that there is no need anymore for an individual adjustment of the stamps.
  • the principle of the invention can also be used in planar stamping machines and not only on a cylinder.
  • the stamping medium plate or strips
  • the stamping medium are mounted on a plate replacing the cylinder disclosed in the present application, said plate being heated in a similar manner (for example by a liquid or electrical heating resistances) .

Landscapes

  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Abstract

The cylinder (1) for embossing planar substrates, such as sheets of paper comprises at least a pit (11) with clamping means for holding an embossing medium (2) on said cylinder, said medium (2) comprising at least a row of embossing stamps (9) distributed along the medium. The medium is formed by an embossing plate (2) or by embossing strips. <IMAGE>

Description

Stamping cylinder
The present invention concerns a stamping cylinder for planar substrates, such as sheets of paper which carry printed matter.
It is known in the art of printing machines for securities, for example bank notes, to apply security elements with stamping cylinders. For example, PCT application N° WO 96/37368, the content of which is incorporated by reference in the present application, discloses a printing method and apparatus using a hot foil stamping.
In the field of printing securities, it is known to apply a thin layer of metal foil of predetermined shape or pattern to a substrate, for example bank notes, usually as a feature intended to make counterfeiting more difficult. In a known application, the foil is carried as a continuous lamination between a carrier substrate and a layer of hot melt adhesive, the shape or pattern to be applied being determined by a stamp or press. In prior art arrangements the carrier substrate and the substrate are placed together beneath a platen-type press carrying an array of stamps which are simultaneously applied to cause an array of hot foil imprints to be applied to the substrate. Heat for activating the hot melt adhesive is generally applied from the press. The printing apparatus for applying foil to a substrate comprises means for conveying a carrier for the foil together with an adhesive which is activated by heat in a printing position, means for conveying substrate towards said printing position, printing means at which the carrier and substrate are moved together past said printing position at which pressure is applied to transfer a predetermined pattern or shape of foil from the carrier to the substrate, and pre-heating means for transferring heat to the carrier before it reaches the printing position and/or before it contacts the substrate. Preferably the pre-heating means is effective to transfer heat to the carrier immediately upstream of the printing position. For example, where the printing means comprises a nip between a print cylinder and a counter cylinder the pre-heating means may be located to be effective as close as possible to said nip. In a preferred arrangement the printing means comprises means for applying both pressure and heat at said printing position. For example, the printing means may comprise a print cylinder carrying one or more stamps defining said predetermined pattern and/or shape, the cylinder carrying heating means in the vicinity of said stamp or stamps.
For example, US patent 6,263,790, the content of which is incorporated by reference in the present application, discloses a machine for security printing on security paper on which security elements carried by a foil are applied to the security prints by a cylinder comprising heated stamps.
Another prior art publication, US patent 6,062,134, the content of which is incorporated by reference in the present application, discloses a stamping cylinder comprising a plurality of stamps, said stamps being mounted on the cylinder through adjustable means allowing each of the stamps to be adjusted in the axial direction and in the circumferential direction of the stamping cylinder.
A further prior art is disclosed in US patent 5,429,044, the content of which is incorporated by reference in the present application. In this patent, a machine for security printing on security papers, especially bank notes, is described, said machine comprising a device for feeding with paper, a device for transporting the paper and a unit for applying optically variable images supported by at least one tape which is brought into contact with the paper such that these images are applied at defined locations on the paper corresponding to the printing marks on security papers. The application unit includes at least one applicator cylinder interacting with a pressure cylinder, the paper moving along between these cylinders. The tape is mounted between two reels arranged in a sector of the applicator cylinder and the tape passes along a generatrix of said applicator cylinder, perpendicularly to the path of the paper, under the action of a servomotor acting intermittently at each application step.
Other prior art publications include DE 41 25 996 Cl which relates to a heatable stamping roller with a hollow drum member comprising an internal heating system and a drum mantle with a stamping profile and at least a segment which is interchangeable and located on the drum mantle. The advantage of this design is that the stamping surface can be changed without having to dismantle the heatable roller section.
Finally, publication GB 2 255 317, the content of which is incorporated by reference in the present application, discloses a foil deposition machine which transfers the foils from a carrier onto a surface to be decorated. As indicated in this prior art, foil transfer is conventionally carried out as a flat-bed process, with a die being mounted on a flat bed and the surface to which the decorative layer is to be applied (i.e. print material) being mounted on the surface of an impression cylinder. The flat bed with the die moves backwards and forwards relative to the impression cylinder, along a path which is tangential relative to the cylinder. A band of foil is supported above the die. As the die approaches the cylinder surface, the foil is pressed by the die (which has been heated to a suitable temperature) against the print material on the cylinder, and the decorative layer is transferred to the print material . The print material is usually paper or card, but may be of plastics or other materials. When the die moves away from the cylinder, the release agent allows the carrier layer to be released from the decorative layer. In order to avoid the inherent slowness of a flat-bed process, it has been proposed to carry out foil blocking by a rotary process. Hitherto, this has required the construction of cylinders on which the foil blocking stamps are engraved. The construction of such cylinders is very expensive, and because the die surface is integral with the body of the cylinder, there are often problems in ensuring correct registration of the die surface with the print material. In GB 2 255 317, there is provided a foil blocking die mounted on a substrate, which substrate is adapted to be secured around the circumference of a cylinder. The use of a die which can be mounted on a cylinder surface for operation, but can be dismounted from the cylinder surface has the particular advantage that the higher operating speeds possible with rotary equipment, as compared to reciprocating equipment, can be obtained.
A problem with the design of GB 2 255 317 is the presence of a non-continuous surface of the plate carrying the stamps forming an opening, which produces vibrations in the machine when the pressure cylinder passes the opening of the plate. Such vibrations then are the cause of improper application of foil or misregistration of printing. A solution to overcome this problem is to mount the cylinders on laterally displaceable axis, for example with excentrical bearings, to relive the pressure when passing such openings but this design is complicated and expensive.
It is therefore an aim of the present invention to improve the known machines .
A further aim of the invention is to provide a stamping machine with a stamping cylinder that is easy to operate.
A further aim of the present invention is to provide a stamping cylinder that allows retrofitting into existing machines .
To this effect, the invention complies with the definition of the claims .
The invention will be best understood with reference to several embodiments and to drawings in which,
Figure 1 shows a perspective view of a first embodiment of the stamping cylinder;
Figure 2 shows a perspective view of a second embodiment of the stamping cylinder and
Figure 3 shows a perspective view of the pit of the cylinder. In figure 1, a first embodiment of the stamping cylinder according to the present invention is shown. In this embodiment, the cylinder 1 carries a stamping plate 2 according to the invention. The stamping plate 2 comprises several parallel tracks 3 to 8 on which the stamps 9 are formed. On both sides of the stamps 9 of a track (3 to 8) , there are support borders 10 running along the length of the plate 2, which have approximately the same height than the stamps 9 and which are used to precisely adjust the position of a pressure cylinder (not shown) with respect to the stamps 9, said pressure cylinder being used to press the substrate against the foil during the stamping operation, as is known per se in the art.
Over the cylinder pit 11 in which the plate 1 is clamped, there is for each track 3 to 8 of stamps 9 a pair of supporting pieces 12, 13 which prevent the pressure cylinder to fall into the pit 11 when passing said pit 11. Said supporting pieces are made preferably of metal and provide a continuous surface of the support borders 10 over the pit 11 thus guiding and maintaining the position of the pressure cylinder over the pit in a smooth manner.
Each supporting piece 12, 13 is fixed in the cylinder pit 11 by a screw 14 or other equivalent means and comprise a plurality of holes 15 for vacuum (air under depression) . The vacuum is brought in the cylinder pit 11 and the supporting pieces 12, 13 are mounted and fixed to a support part 16 connected to the vacuum supply and preferably held in the cylinder pit 11 by means of a screw. On the support part 16, a front alignment stop 17 is mounted in an adjustable manner, and the stop 17 passes through the supporting pieces 12, 13, to provide an alignment reference for the sheet to be embossed which is maintained against the pieces 12, 13 by the vacuum.
In figure 2, a second embodiment of the stamping cylinder 1 is shown. In this embodiment, the stamping plate of figure 1 is replaced by several stamping strips 18, each trip having a track 3' to 8' with support borders 10'. Other elements which are similar to the embodiment of figure 1 are referenced in identical manner. Each strip 3' to 8 ' is mated with a pair of supporting pieces 12, 13 to allow a smooth passage of the pressure cylinder over the pit 11 of the stamping cylinder 1.
In a similar manner to figure 1, each supporting piece 12, 13 comprises holes 15 for vacuum, is held on the cylinder through a screw 14 and a support part 16 connected to a vacuum supply and fixed in the pit 11 by a screw. The supporting pieces 12, 13 are traversed by an alignment stop 17 for aligning the sheet being embossed.
Figure 3 shows in a more detailed manner an example of a pit 11 of a cylinder 1 on which a stamping plate 2 is mounted without the supporting pieces 12, 13. On the left side of the pit 11, one end of the plate 2 is cut to form notches with extensions 24 and cutouts 25. The end of the extensions 24 are bent and are clamped in the pit 11 by clamping means, such as screws 26 and clamp bar 27. The other end of the plate 1 is shaped in the same manner (extensions 28 and cutouts 29) and is clamped with clamping means, i.e. screws 30 and second clamp bar 31 which is also displaceable such as to pull the plate 2 on the cylinder under stress . The vacuum supply for the holes 15 of the supporting pieces 12, 13 is indicated by reference 32.
Once the supporting pieces 12, 13 are mounted, as shown in figures 1 and 2, they form a bridge over the pit 11 extending from cutouts 25 to cutouts 29.
The principle shown for mounting the stamping plate on a cylinder can be also used in the case of stamping strips 18 as in the second embodiment of figure 2.
The heating of the stamps can be made in conventional manner known in the art, for example, as known from GB 2 255 317 or US 6,263,790, enclosed by reference in the present application to this effect. Preferably, the heating is made by heating the entire cylinder 1, either by a liquid such a water or oil which passes in a circuit in the cylinder 1, or in a variant by electrical heat resistances known per se in the art .
The number of plates per cylinder or of successive strips can be chosen depending on the circumstances or the format of the sheets to be printed. Preferably, there are three successive stamping plates per cylinder or three successive stamping strips around the circumference of the cylinder. In this case, the cylinder comprises three pits equally spaced around the circumference of the cylinder, all pits being similar to the pit 11 described here above.
In addition, the cylinder comprises intermediate stamps (referenced 33 in the figures) . Theses intermediate stamps are placed in the cylinder pits 11 for each row of stamps 9 and they are used to maintain the pressure between the paper sheets being embossed and the foil and avoid misregistration or relative movement between the sheets being embossed and the foil .
The advantage of using a plate according to the first embodiment of the invention is to facilitate the mounting of the plate. On the other hand, the advantage of using strips as in the second embodiment is the fact that the strips can be individually adjusted, for example laterally.
A further advantage of the stamping medium according to the present invention with respect to the design known from US 6,062,134 is the fact that there is no need anymore for an individual adjustment of the stamps.
As can be readily understood from the present description, the principle of the invention can also be used in planar stamping machines and not only on a cylinder. In this case, the stamping medium (plate or strips) are mounted on a plate replacing the cylinder disclosed in the present application, said plate being heated in a similar manner (for example by a liquid or electrical heating resistances) .

Claims

Claims
1 . Stamping cylinder (1) for applying a foil onto planar substrates, such as sheets of paper, wherein said cylinder comprises at least a pit (11) with clamping means for holding a stamping medium (2, 18) on said cylinder, said medium (2,18) comprising at least a row of stamps (9) distributed along the medium, wherein said medium is formed by a stamping plate (2) or by stamping strips (18) and wherein said cylinder (1) further comprises at least a supporting piece (12,13) forming a bridge over said pit (11) to continuously support a counter cylinder along the circumference of the stamping cylinder (1) .
2. Stamping cylinder as defined in claim 1, wherein said supporting piece (12,13) is mounted in said pit (11) .
3. Stamping cylinder as defined in claim 1 or 2, comprising at least one supporting piece (12,13) per row of stamps (9) .
4. Stamping cylinder as defined in one of claims 1 to 3 , wherein the medium comprises several rows of stamps (9) , and the cylinder comprises two supporting pieces (12,13) per row of stamps (9) .
5. Stamping cylinder as defined in claim 4, wherein support borders (10,10') are provided along said stamping plate (2) or said stamping strips (18) on both sides of each row of stamps (9) for supporting the counter cylinder and wherein said supporting pieces (12,13) ensure a continuous surface of the support borders (10;10') over said pit (11) .
6. Stamping cylinder as claimed in one of the preceding claims, wherein said supporting piece (12,13) comprises holes (14) through which vacuum is applied to maintain the substrate being stamped against said supporting piece (12,13) .
7. Stamping cylinder as claimed in one of the preceding claims, further comprising alignment stops (17) for providing an alignment reference for the substrates to be stamped.
8. Stamping cylinder as claimed in one of the preceding claims, further comprising a circuit for heating with a liquid.
9. Stamping cylinder as claimed in one of claims 1 to 7 , further comprising electrical heat resistors.
10. Stamping cylinder as claimed in one of the preceding claims, further comprising intermediate stamps (33) in the pits (11) for maintaining the pressure between the planar substrate being stamped and the foil .
11. A stamping machine comprising a stamping cylinder as defined in one of the preceding claims .
EP05718428A 2004-04-22 2005-04-05 Stamping cylinder Expired - Fee Related EP1737680B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05718428A EP1737680B1 (en) 2004-04-22 2005-04-05 Stamping cylinder

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04009507A EP1588865A1 (en) 2004-04-22 2004-04-22 Embossing cylinder
EP05718428A EP1737680B1 (en) 2004-04-22 2005-04-05 Stamping cylinder
PCT/IB2005/000965 WO2005102733A2 (en) 2004-04-22 2005-04-05 Stamping cylinder

Publications (2)

Publication Number Publication Date
EP1737680A2 true EP1737680A2 (en) 2007-01-03
EP1737680B1 EP1737680B1 (en) 2009-11-11

Family

ID=34924683

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04009507A Withdrawn EP1588865A1 (en) 2004-04-22 2004-04-22 Embossing cylinder
EP05718428A Expired - Fee Related EP1737680B1 (en) 2004-04-22 2005-04-05 Stamping cylinder

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP04009507A Withdrawn EP1588865A1 (en) 2004-04-22 2004-04-22 Embossing cylinder

Country Status (7)

Country Link
US (1) US7971619B2 (en)
EP (2) EP1588865A1 (en)
JP (1) JP5122946B2 (en)
CN (1) CN100592987C (en)
AT (1) ATE448089T1 (en)
DE (1) DE602005017600D1 (en)
WO (1) WO2005102733A2 (en)

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Publication number Priority date Publication date Assignee Title
EP1961578A1 (en) 2007-02-26 2008-08-27 Kba-Giori S.A. Method and installation for applying foil material onto successive sheets
EP2045783A1 (en) * 2007-10-02 2009-04-08 Kba-Giori S.A. Method and system for controlled production of security documents, especially banknotes
EP2100736A1 (en) 2008-03-14 2009-09-16 Kba-Giori S.A. Method and installation for applying foil material onto successive sheets
EP2141027A1 (en) 2008-07-03 2010-01-06 Kba-Giori S.A. Method and installation for applying foil material onto successive sheets
EP2637396A1 (en) 2012-03-07 2013-09-11 KBA-NotaSys SA Method of checking producibility of a composite security design of a security document on a line of production equipment and digital computer environment for implementing the same
EP2917879B1 (en) * 2012-11-09 2019-08-14 Entrust Datacard Corporation Branding indenter
EP3165366A1 (en) * 2015-11-05 2017-05-10 KBA-NotaSys SA Sheet-fed stamping press having a foil laminating unit
EP3165365A1 (en) * 2015-11-05 2017-05-10 KBA-NotaSys SA Sheet-fed stamping press comprising a foil laminating unit
ES2702203T3 (en) 2015-11-30 2019-02-27 Kba Notasys Sa Hot stamping press and hot stamping method
DE102019111858B4 (en) * 2019-05-07 2022-05-25 Koenig & Bauer Ag hot stamping press
DE102019111857B4 (en) * 2019-05-07 2022-05-25 Koenig & Bauer Ag hot stamping press

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Also Published As

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JP5122946B2 (en) 2013-01-16
WO2005102733A2 (en) 2005-11-03
EP1588865A1 (en) 2005-10-26
CN100592987C (en) 2010-03-03
CN1946570A (en) 2007-04-11
US20080271854A1 (en) 2008-11-06
EP1737680B1 (en) 2009-11-11
ATE448089T1 (en) 2009-11-15
WO2005102733A3 (en) 2006-03-23
JP2007533506A (en) 2007-11-22
US7971619B2 (en) 2011-07-05
DE602005017600D1 (en) 2009-12-24

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